Fuel system.ppt

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1、FuelsystemSomewordsandexpressionsGasolinefuelsystem汽油燃料系统Crudepetroleum原油Flammability可燃性Volatility挥发性Fueltank油箱Fuelline燃料管线Vaporblock汽塞现象Inletside入口端进口端Additive添加剂添加物Combustionchamber燃烧室Compressionratio压缩比Octane[ˈɔktein]辛烷Octanenumber辛烷值Antiknockquality抗爆性

2、Detonation爆炸Shockpressurewave冲击压力波Smoothcombustion稳定燃烧Lossofpower动力损excessivelocalizedtemperature局部温度过高Motormethod发动机法researchmethod研究法variablehead变压头knockmeter爆震计air-fuelmixture空气燃料混合knockintensity爆震强度specifiedknockintensity指定爆震强度standardreferencefuel标准参考

3、燃料heptane正庚烷iso-octane标准异辛烷operationconditions运行条件lowturbulence低紊流coldstart冷启动post-startphase后启动阶段warm-up预热准备阶段throttle节流阀fueldroplet燃料液滴intakemanifold进气歧管acceleration加速度leadoff倾斜transitionalresponse过渡响应partload部分载荷air-fueleconomy燃油经济fullload全载荷idling空载空运转

4、transitionalresponse过渡响应partload部分载荷air-fueleconomy燃油经济fullload全载荷idling空载空运转Motroniccombineignition多点组合点火Fuelinjectionsystem燃油喷射系统Engine-managementsystem发动机管理系统Subsystem子系统Measuredvalve测量阀Air-fuelratio空燃比Ignitionadvanceangle点火提前角Dwellangle闭合角Instantaneous

5、瞬时的Actuationvariable作用变量Sensor驱动传感器Pertainto适合Statisticalerror统计学错误Tolerance公差Susceptibility磁化系数Ignitiontimingangle点火定时角Programmablemap可编程地图Exhaustgasrecirculation（EGC）废气循环Interface界面Physicalstandpoint物理角度Open-loop开环的Ventilation通风设备Gasolineinterceptor汽油滤清器

6、燃料供给系统gasolinefuelsystem燃油供给系统fuelsupplysystem空气供给系统airsupplysystem电子控制系统electroniccontrolsystemfuelsupplysystemTypesandfunctionsofgasolinefuelsystemTherearetowtypesofgasolinefuelsupplysystems,oneiscalledcarburetorfuelsupplysystemwhichhasgraduallyquitthest

7、ageofhistory.Andtheotherismotroniccombineignitionandfuelinjectionsystemwhichareusedonmanymoderncars.Thegasolinefuelsystemplaystheroleofstorage,delivery,andfuelcleaning.Accordingtotherequirementsofdifferentconditions,somecertainamountanddensityofflammablemi

8、xturegaswereinjectedintothecombustionchamber.Andafterthecombustionpower,theexhaustgasaredischargedout.Fuelsupplysystem汽油机燃料供给系统的作用是贮存、输送、清洁燃料，根据发动机不同工况的要求，配制一定数量和浓度的可燃混合气进入气缸，并在燃烧作功后，将燃烧产生的废气排至大气中。汽油机燃料供给系统有化